.banner {
  height: 601px;
  background: url("../img/bg.png") no-repeat center;
  color: #fff;
  padding-left: 76px;
}
.banner .title {
  width: 167px;
  height: 27px;
  margin: 88px 0 5px;
}
.banner h1 {
  font-size: 48px;
  font-weight: bold;
  letter-spacing: 1.8px;
}
.banner ul {
  margin: 41px 0 39px 0;
}
.banner ul li {
  line-height: 34px;
  font-size: 16px;
  letter-spacing: 0.7px;
}
.banner ul li::before {
  content: "";
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  float: left;
  margin: 9px 8px 0 0;
  background-image: url("../img/yes.png");
  background-repeat: no-repeat;
  background-position: 3px 5px;
}
.banner p {
  opacity: 0.6;
  font-size: 14px;
  margin-top: 14px;
  letter-spacing: 0.6px;
}
.banner .system {
  margin-top: 21px;
}

.down-fixed {
  height: 70px;
  line-height: 70px;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  background: #715CFF;
  z-index: 10;
  display: none;
}
.down-fixed .container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.down-fixed .container .left {
  color: #FFFFFF;
  font-size: 16px;
  font-family: "Alibaba PuHuiTi 2.0-95 ExtraBold", "Alibaba PuHuiTi 20";
}
.down-fixed .container .left img {
  width: 41px;
  height: 41px;
  float: left;
  margin: 15px 9px 0 0;
}
.down-fixed .container .right .download {
  float: right;
  margin-left: 30px;
  width: 160px;
  height: 44px;
  line-height: 40px;
  border: 2px solid #FFFFFF;
  margin-top: 14px;
}
.down-fixed .container .right p {
  float: right;
  font-size: 16px;
  color: #fff;
  height: 70px;
  line-height: 79px;
}
.down-fixed .container .right p span {
  font-size: 28px;
}

.support .tab {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  width: 664px;
  margin: 66px auto 50px;
}
.support .tab li {
  width: 86px;
  font-size: 20px;
  line-height: 37px;
  color: #333333;
  text-align: center;
  cursor: pointer;
}
.support .tab li::after {
  content: "";
  display: block;
  width: 0%;
  height: 4px;
  background: #715CFF;
  border-radius: 8px 8px 8px 8px;
  transition: 0.2s;
  margin-top: 6px;
}
.support .tab li.active {
  font-weight: bold;
}
.support .tab li.active::after {
  width: 100%;
}
.support .list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.support .list li {
  width: 585px;
  height: 130px;
  background: #FAFAFA;
  border-radius: 8px 8px 8px 8px;
  margin-bottom: 30px;
  padding: 30px 20px 0 30px;
  color: #333333;
  line-height: 20px;
  font-size: 14px;
}
.support #list2 li {
  height: 140px;
}
.support .list li img {
  width: 48px;
  height: 48px;
  float: left;
  margin: 0 18px 52px 0;
}
.support .list li h2 {
  font-weight: bold;
  color: #333333;
  font-size: 18px;
  margin-bottom: 14px;
}
.support .tip {
  width: 1200px;
  height: 140px;
  background: #FAFAFA;
  border-radius: 8px 8px 8px 8px;
  text-align: center;
  color: #666666;
  font-size: 14px;
}
.support .tip .tip1 {
  font-size: 16px; 
  color: #333333;
  padding: 48px 0 15px;
}
.desc h2 {
  font-weight: bold;
  color: #333333;
  font-size: 24px;
  margin: 72px auto 63px;
  text-align: center;
}
.desc .desc-list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  margin-bottom: 103px;
}
.desc .desc-list>li {
  width: 224px;
  height: 224px;
  position: relative;
  overflow: hidden;
}
.desc .desc-list>li:nth-child(1) {
  background: url("../img/download/bg1.png") no-repeat center;
}
.desc .desc-list>li:nth-child(2) {
  background: url("../img/download/bg2.png") no-repeat center;
}
.desc .desc-list>li:nth-child(3) {
  background: url("../img/download/bg3.png") no-repeat center;
}
.desc .desc-list>li:nth-child(4) {
  background: url("../img/download/bg4.png") no-repeat center;
}
.desc .desc-list>li:nth-child(5) {
  background: url("../img/download/bg5.png") no-repeat center;
}
.desc .desc-list>li .tip {
  width: 100%;
  height: 40px;
  background: rgba(64,64,64,0.8);
  border-radius: 0px 0px 8px 8px;
  margin-top: 184px;
  text-align: center;
  color: #fff;
  font-size: 16px;
  line-height: 40px;
}
.desc .desc-list>li .tip img {
  margin: 0 3px -3px 0;
}
.desc .desc-list>li .hover {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 224px;
  background: #715CFF;
  border-radius: 8px 8px 8px 8px;
  color: #fff;
  transition: 0.3s;
}
.desc .desc-list>li:hover .hover {
  top: 0;
}
.desc .desc-list>li .hover img {
  width: 32px;
  height: 32px;
  display: block;
  margin: 30px auto 11px;
}
.desc .desc-list>li .hover h3 {
  font-size: 16px;
  font-weight: normal;
  text-align: center;
}
.desc .desc-list>li .hover .hover-list {
  margin-top: 30px;
  font-size: 12px;
  padding: 0 10px 0 19px;
  line-height: 20px;
}
.desc .desc-list>li .hover .hover-list li {
  padding-left: 10px;
  position: relative;
}
.desc .desc-list>li .hover .hover-list li::before {
  content: "· ";
  position: absolute;
  left: 0;
  top: 0;
  display: block;
}